/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Operations/FFDLattice.h
Helper for linear interpolation. Returns lattice points at (I,J,K) and (I+1,J,K).
void GetValuePair ( int I, int J, int K, FVector3d & A, FVector3d & B, const [TArray](API\Runtime\Core\Containers\TArray)< FVector3d > & LatticeControlPoints ) const